Trust me its not a plus...I have been a competitive swimmer since the age of 7 and I am in third yr of college right now and I swim everyday...I am 7 to 8 inches soft all the time and when its hard it gets to 9 1/2 and It has not helped me swim any better but my quads have helped me out very much! Having powerful legs is a plus! Jose'Latinoboy9

Gold Member

I think that a long erect penis would act similar to a ventral fin found on a fish, helping him to swim and turn in the water.

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I believe a humongously sized erect penis would work more like an anchor and pull you to the bottom of the river/lake/pond/pool or whatever body of water you were attempting to swim in. As was indicated by another, you'd need to have two in order for them to work properly as fins which would essentially make you both an oddity and a well sought after individual since you'd then be able to keep two people happy (sexually) at once.